■ SelectedItemEventArgsConverter 엘리먼트에서 항목 선택 이벤트 인자 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:SelectedItemEventArgsConverter x:Key="SelectedItemEventArgsConverterKey" /> </ContentPage.Resources> <ListView ItemsSource="{Binding ItemList}" SelectedItem="{Binding SelectedItem, Mode=TwoWay}"> <ListView.ItemTemplate> <DataTemplate> <ViewCell> <Label Margin="10" Text="{Binding}" /> </ViewCell> </DataTemplate> </ListView.ItemTemplate> <ListView.Behaviors> <toolkit:EventToCommandBehavior EventName="ItemSelected" EventArgsConverter="{StaticResource SelectedItemEventArgsConverterKey}" Command="{Binding ItemSelectedCommand}" /> </ListView.Behaviors> </ListView> </ContentPage> |
▶ MainPage.xaml.cs
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using System.Windows.Input; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 항목 리스트 - ItemList /// <summary> /// 항목 리스트 /// </summary> public List<string> ItemList { get; set; } #endregion #region 선택 항목 - SelectedItem /// <summary> /// 선택 항목 /// </summary> public string SelectedItem { get; set; } #endregion #region 항목 선택시 명령 - ItemSelectedCommand /// <summary> /// 항목 선택시 명령 /// </summary> public ICommand ItemSelectedCommand { get; private set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); ItemList = new List<string>() { "광주", "대전", "대구", "목포", "부산", "서울", "수원", "울산", "포항" }; SelectedItem = ItemList[1]; ItemSelectedCommand = new Command<string> ( async (e) => { await DisplayAlert("INFORMATION", $"{e} 항목을 선택하였습니다.", "확인"); } ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ MultiMathExpressionConverter 클래스에서 다중 수학 연산 실행 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" /> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region X0 - X0 /// <summary> /// X0 /// </summary> public int X0 { get; set; } #endregion #region X1 - X1 /// <summary> /// X1 /// </summary> public int X1 { get; set; } #endregion #region X2 - X2 /// <summary> /// X2 /// </summary> public int X2 { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); X0 = 100; X1 = 300; X2 = 200; MultiMathExpressionConverter converter = new MultiMathExpressionConverter(); List<BindingBase> bindingBaseList = new List<BindingBase>(); bindingBaseList.Add(new Binding("X0")); bindingBaseList.Add(new Binding("X1")); bindingBaseList.Add(new Binding("X2")); MultiBinding binding = new MultiBinding(); binding.ConverterParameter = "x0 + x1 + x2"; binding.Converter = converter; binding.Bindings = bindingBaseList; this.label.SetBinding(Label.TextProperty, binding); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ MultiMathExpressionConverter 엘리먼트에서 다중 수학 연산 실행 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:MultiMathExpressionConverter x:Key="MultiMathExpressionConverterKey" /> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="24"> <Label.Text> <MultiBinding ConverterParameter="x0 + x1 + x2" Converter="{StaticResource MultiMathExpressionConverterKey}"> <Binding Path="X0" /> <Binding Path="X1" /> <Binding Path="X2" /> </MultiBinding> </Label.Text> </Label> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region X0 - X0 /// <summary> /// X0 /// </summary> public int X0 { get; set; } #endregion #region X1 - X1 /// <summary> /// X1 /// </summary> public int X1 { get; set; } #endregion #region X2 - X2 /// <summary> /// X2 /// </summary> public int X2 { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); X0 = 100; X1 = 300; X2 = 200; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ MultiConverter 클래스에서 다중 변환 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" /> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 값 - SelectedValue /// <summary> /// 선택 값 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "maui"; List<MultiConverterParameter> parameterList = new List<MultiConverterParameter> { new MultiConverterParameter { ConverterType = typeof(TextCaseConverter), Value = TextCaseType.Upper }, new MultiConverterParameter { ConverterType = typeof(IsEqualConverter ), Value = "MAUI" } }; MultiConverter converter = new MultiConverter { new TextCaseConverter(), new IsEqualConverter() }; this.label.SetBinding ( Label.TextProperty, new Binding("SelectedValue", converterParameter : parameterList, converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ MultiConverter 엘리먼트에서 다중 변환 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <x:Array x:Key="MultiConverterParameterArrayKey" Type="{x:Type toolkit:MultiConverterParameter}"> <toolkit:MultiConverterParameter ConverterType="{x:Type toolkit:TextCaseConverter}" Value="{x:Static toolkit:TextCaseType.Upper}" /> <toolkit:MultiConverterParameter ConverterType="{x:Type toolkit:IsEqualConverter}" Value="MAUI" /> </x:Array> <toolkit:MultiConverter x:Key="MultiConverterKey"> <toolkit:TextCaseConverter /> <toolkit:IsEqualConverter /> </toolkit:MultiConverter> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" Text="{Binding SelectedValue, Converter={StaticResource MultiConverterKey}, ConverterParameter={StaticResource MultiConverterParameterArrayKey}}" /> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 값 - SelectedValue /// <summary> /// 선택 값 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "maui"; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ MathExpressionConverter 클래스에서 수학 연산 실행 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="16" /> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 값 - SelectedValue /// <summary> /// 선택 값 /// </summary> public double SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = 10d; MathExpressionConverter converter = new MathExpressionConverter(); this.label.SetBinding ( Label.TextProperty, new Binding("SelectedValue", converterParameter : "x / 2", converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ MathExpressionConverter 엘리먼트에서 수학 연산 실행 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:MathExpressionConverter x:Key="MathExpressionConverterKey" /> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="16" Text="{Binding SelectedValue, ConverterParameter='x / 2', Converter={StaticResource MathExpressionConverterKey}}" /> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 값 - SelectedValue /// <summary> /// 선택 값 /// </summary> public double SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = 10d; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ ListToStringConverterKey 클래스에서 IEnumerable → 문자열 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="16" /> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedList /// <summary> /// 선택 리스트 /// </summary> public List<string> SelectedList { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedList = new List<string>() { "광주", "대전", "대구", "목포", "부산", "서울", "수원", "울산", "포항" }; ListToStringConverter converter = new ListToStringConverter(); this.label.SetBinding ( Label.TextProperty, new Binding("SelectedList", converterParameter : "/", converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ ListToStringConverterKey 엘리먼트에서 IEnumerable → 문자열 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:ListToStringConverter x:Key="ListToStringConverterKey" /> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="16" Text="{Binding SelectedList, ConverterParameter='/', Converter={StaticResource ListToStringConverterKey}}" /> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedList /// <summary> /// 선택 리스트 /// </summary> public List<string> SelectedList { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedList = new List<string>() { "광주", "대전", "대구", "목포", "부산", "서울", "수원", "울산", "포항" }; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ ItemTappedEventArgsConverter 클래스에서 항목 탭 이벤트 인자 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <ListView x:Name="listView"> <ListView.ItemTemplate> <DataTemplate> <ViewCell> <Label Margin="10" Text="{Binding}" /> </ViewCell> </DataTemplate> </ListView.ItemTemplate> </ListView> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Behaviors; using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); List<string> itemList = new List<string>() { "광주", "대전", "대구", "목포", "부산", "서울", "수원", "울산", "포항" }; ItemTappedEventArgsConverter converter = new ItemTappedEventArgsConverter(); EventToCommandBehavior behavior = new EventToCommandBehavior(); behavior.EventName = "ItemTapped"; behavior.EventArgsConverter = converter; behavior.Command = new Command<string> ( async (e) => { await DisplayAlert("INFORMATION", $"{e} 항목을 탭하였습니다.", "확인"); } ); this.listView.Behaviors.Add(behavior); this.listView.ItemsSource = itemList; this.listView.SelectedItem = itemList[1]; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ ItemTappedEventArgsConverter 엘리먼트에서 항목 탭 이벤트 인자 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:ItemTappedEventArgsConverter x:Key="ItemTappedEventArgsConverterKey" /> </ContentPage.Resources> <ListView ItemsSource="{Binding ItemList}" SelectedItem="{Binding SelectedItem, Mode=TwoWay}"> <ListView.ItemTemplate> <DataTemplate> <ViewCell> <Label Margin="10" Text="{Binding}" /> </ViewCell> </DataTemplate> </ListView.ItemTemplate> <ListView.Behaviors> <toolkit:EventToCommandBehavior EventName="ItemTapped" EventArgsConverter="{StaticResource ItemTappedEventArgsConverterKey}" Command="{Binding ItemTappedCommand}" /> </ListView.Behaviors> </ListView> </ContentPage> |
▶ MainPage.xaml.cs
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using System.Windows.Input; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 항목 리스트 - ItemList /// <summary> /// 항목 리스트 /// </summary> public List<string> ItemList { get; set; } #endregion #region 선택 항목 - SelectedItem /// <summary> /// 선택 항목 /// </summary> public string SelectedItem { get; set; } #endregion #region 항목 탭 명령 - ItemTappedCommand /// <summary> /// 항목 탭 명령 /// </summary> public ICommand ItemTappedCommand { get; private set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); ItemList = new List<string>() { "광주", "대전", "대구", "목포", "부산", "서울", "수원", "울산", "포항" }; SelectedItem = ItemList[1]; ItemTappedCommand = new Command<string> ( async (e) => { await DisplayAlert("INFORMATION", $"{e} 항목을 탭하였습니다.", "확인"); } ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ IsStringNullOrWhiteSpaceConverter 클래스에서 문자열이 null이거나 공백 문자열인지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="24"/> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedValue /// <summary> /// 선택 리스트 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "테스트 문자열 입니다."; IsStringNullOrWhiteSpaceConverter converter = new IsStringNullOrWhiteSpaceConverter(); this.label.SetBinding ( Label.TextProperty, new Binding("SelectedValue", converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ IsStringNullOrEmptyConverter 클래스에서 문자열이 null이거나 빈 문자열인지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="24"/> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedValue /// <summary> /// 선택 리스트 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "테스트 문자열 입니다."; IsStringNullOrEmptyConverter converter = new IsStringNullOrEmptyConverter(); this.label.SetBinding ( Label.TextProperty, new Binding("SelectedValue", converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ IsStringNotNullOrWhiteSpaceConverter 클래스에서 문자열이 null도 아니고 공백 문자열도 아닌지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="24"/> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedValue /// <summary> /// 선택 리스트 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "테스트 문자열 입니다."; IsStringNotNullOrWhiteSpaceConverter converter = new IsStringNotNullOrWhiteSpaceConverter(); this.label.SetBinding ( Label.TextProperty, new Binding("SelectedValue", converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
더 읽기
■ IsStringNotNullOrEmptyConverter 클래스에서 문자열이 null도 아니고 빈 문자열도 아닌지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="24"/> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedValue /// <summary> /// 선택 리스트 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "테스트 문자열 입니다."; IsStringNotNullOrEmptyConverter converter = new IsStringNotNullOrEmptyConverter(); this.label.SetBinding ( Label.TextProperty, new Binding("SelectedValue", converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
더 읽기
■ IsStringNullOrWhiteSpaceConverter 엘리먼트에서 문자열이 null이거나 공백 문자열인지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:IsStringNullOrWhiteSpaceConverter x:Key="IsStringNullOrWhiteSpaceConverterKey" /> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" Text="{Binding SelectedValue, Converter={StaticResource IsStringNullOrWhiteSpaceConverterKey}}" /> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedValue /// <summary> /// 선택 리스트 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "테스트 문자열 입니다."; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ IsStringNullOrEmptyConverter 엘리먼트에서 문자열이 null이거나 빈 문자열인지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:IsStringNullOrEmptyConverter x:Key="IsStringNullOrEmptyConverterKey" /> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" Text="{Binding SelectedValue, Converter={StaticResource IsStringNullOrEmptyConverterKey}}" /> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedValue /// <summary> /// 선택 리스트 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "테스트 문자열 입니다."; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ IsStringNotNullOrWhiteSpaceConverter 엘리먼트에서 문자열이 null도 아니고 공백 문자열도 아닌지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:IsStringNotNullOrWhiteSpaceConverter x:Key="IsStringNotNullOrWhiteSpaceConverterKey" /> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" Text="{Binding SelectedValue, Converter={StaticResource IsStringNotNullOrWhiteSpaceConverterKey}}" /> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedValue /// <summary> /// 선택 리스트 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "테스트 문자열 입니다."; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
더 읽기
■ IsStringNotNullOrEmptyConverter 엘리먼트에서 문자열이 null도 아니고 빈 문자열도 아닌지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:IsStringNotNullOrEmptyConverter x:Key="IsStringNotNullOrEmptyConverterKey" /> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" Text="{Binding SelectedValue, Converter={StaticResource IsStringNotNullOrEmptyConverterKey}}" /> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedValue /// <summary> /// 선택 리스트 /// </summary> public string SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = "테스트 문자열 입니다."; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
더 읽기
■ IsListNullOrEmptyConverter 클래스에서 IEnumerable 객체가 null이거나 비어있는지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" /> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedList /// <summary> /// 선택 리스트 /// </summary> public List<int> SelectedList { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedList = new List<int>() { 10, 20, 30 }; IsListNullOrEmptyConverter converter = new IsListNullOrEmptyConverter(); this.label.SetBinding ( Label.TextProperty, new Binding("SelectedList", converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ IsListNotNullOrEmptyConverter 클래스에서 IEnumerable 객체가 null도 아니고 비어있지 않는지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" /> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedList /// <summary> /// 선택 리스트 /// </summary> public List<int> SelectedList { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedList = new List<int>() { 10, 20, 30 }; IsListNotNullOrEmptyConverter converter = new IsListNotNullOrEmptyConverter(); this.label.SetBinding ( Label.TextProperty, new Binding("SelectedList", converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
더 읽기
■ IsListNullOrEmptyConverter 엘리먼트에서 IEnumerable 객체가 null이거나 비어있는지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:IsListNullOrEmptyConverter x:Key="IsListNullOrEmptyConverterKey" /> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" Text="{Binding SelectedList, Converter={StaticResource IsListNullOrEmptyConverterKey}}" /> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedList /// <summary> /// 선택 리스트 /// </summary> public List<int> SelectedList { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedList = new List<int>() { 10, 20, 30 }; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
■ IsListNotNullOrEmptyConverter 엘리먼트에서 IEnumerable 객체가 null도 아니고 비어있지 않는지 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"> <ContentPage.Resources> <toolkit:IsListNotNullOrEmptyConverter x:Key="IsListNotNullOrEmptyConverterKey" /> </ContentPage.Resources> <Label HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" Text="{Binding SelectedList, Converter={StaticResource IsListNotNullOrEmptyConverterKey}}" /> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 리스트 - SelectedList /// <summary> /// 선택 리스트 /// </summary> public List<int> SelectedList { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedList = new List<int>() { 10, 20, 30 }; BindingContext = this; } #endregion } |
▶ MauiProgram.cs
더 읽기
■ MauiWinUIApplication 클래스의 OnLaunched 메소드를 사용해 시작시 윈도우 크기를 설정하는 방법을 보여준다. (UWP) ▶ Platforms/Windows/App.xaml.cs
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using Microsoft.UI; using Microsoft.UI.Windowing; using Microsoft.UI.Xaml; using Windows.Graphics; using WinRT.Interop; namespace TestProject.WinUI; /// <summary> /// 앱 /// </summary> public partial class App : MauiWinUIApplication { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - App() /// <summary> /// 생성자 /// </summary> public App() { this.InitializeComponent(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp(); #endregion #region 시작시 처리하기 - OnLaunched(e) /// <summary> /// 시작시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnLaunched(LaunchActivatedEventArgs e) { base.OnLaunched(e); object currentWindow = Application.Windows[0].Handler.PlatformView; IntPtr windowHandle = WindowNative.GetWindowHandle(currentWindow); WindowId windowId = Win32Interop.GetWindowIdFromWindow(windowHandle); AppWindow appWindow = AppWindow.GetFromWindowId(windowId); appWindow.Resize(new SizeInt32(800, 600)); } #endregion } |
TestProject.zip
■ IsNotEqualConverter 클래스에서 비동일 여부 변환자를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" FontSize="24" /> </ContentPage> |
▶ MainPage.xaml.cs
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using CommunityToolkit.Maui.Converters; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 값 - SelectedValue /// <summary> /// 선택 값 /// </summary> public int SelectedValue { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); SelectedValue = 100; IsNotEqualConverter converter = new IsNotEqualConverter(); this.label.SetBinding ( Label.TextProperty, new Binding("SelectedValue", converterParameter : 100, converter : converter) ); BindingContext = this; } #endregion } |
▶ MauiProgram.cs
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using CommunityToolkit.Maui; namespace TestProject; /// <summary> /// MAUI 프로그램 /// </summary> public static class MauiProgram { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region MAUI 앱 생성하기 - CreateMauiApp() /// <summary> /// MAUI 앱 생성하기 /// </summary> /// <returns>MAUI 앱</returns> public static MauiApp CreateMauiApp() { MauiAppBuilder builder = MauiApp.CreateBuilder(); builder .UseMauiApp<App>() .UseMauiCommunityToolkit() .ConfigureFonts ( fontCollection => { fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" ); fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold"); } ); return builder.Build(); } #endregion } |
TestProject.zip
